Methods, devices, electronic apparatuses and storage media of image processing

Methods, devices, electronic apparatuses and storage media of processing image, training neural network, and recognizing an action are provided. According to examples of the disclosure, the method of image processing includes: acquiring a human body bounding box and a target key point corresponding to a target body part in an image, and first correlation information between the human body bounding box and the target key point; generating a target bounding box for the target body part according to the target key point and the human body bounding box; determining, according to the first correlation information and pre-labeled second correlation information indicating correlation between a first body part and the human body bounding box, third correlation information to indicate a correlation between the target bounding box and a first bounding box for the first target body part.